package main

import ("fmt"
	"math"
)

func consts1(){
	const (
		MY_NAME = "01.txt"
		a,b =  3,4
	)
	var c int
	c = int(math.Sqrt(a*a + b*b ))
	fmt.Println(MY_NAME , c)
}





func main(){
	//fmt.Println("Hello,world")
	consts1()
}